2194517293 has 2 divisors, whose sum is σ = 2194517294. Its totient is φ = 2194517292.

The previous prime is 2194517219. The next prime is 2194517317. The reversal of 2194517293 is 3927154912.

2194517293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2109840489 + 84676804 = 45933^2 + 9202^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194517293 - 2¹⁷ = 2194386221 is a prime.

It is a super-2 number, since 2×2194517293² = 9631812298552095698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2194517093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097258646 + 1097258647.

It is an arithmetic number, because the mean of its divisors is an integer number (1097258647).

Almost surely, 2^2194517293 is an apocalyptic number.

It is an amenable number.

2194517293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194517293 is an equidigital number, since it uses as much as digits as its factorization.

2194517293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 2194517293 is about 46845.6752859856. The cubic root of 2194517293 is about 1299.5101296298.

The spelling of 2194517293 in words is "two billion, one hundred ninety-four million, five hundred seventeen thousand, two hundred ninety-three".